kak tolong di jawab yang benar ya kak
3 sampai 5 aja ya kak •́ ‿ ,•̀
3 sampai 5 aja ya kak •́ ‿ ,•̀
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Penjelasan dengan langkah-langkah:
3. t = 5m
d = 2m
r = 1/2 . d
r = 1/2 . 2
r = 1m
v = π x r² x t
v = 3,14 x 1 x 1 x 5
v = 6,28 m³
v = 6.280 dm³
4. r = 35 cm
t = 1 m
t = 100 cm
v = π x r² x t
v = 22/7 x 35 x 35 x 100
v = 385.000 cm³
v = 385 dm³
v = 385 L
5. d = 1 m
r = 1/2 d
r = 1/2 . 1
r = 0,5 m
r = 5 dm
t = 1,05 m
t = 10,5 dm
krn sudah diisi 2/3, maka
v = 2/3 x π x r² x t
v = 2/3 x 22/7 x 5 x 5 x 10,5
v = 2/3 x 825
v = 550 dm³
air yg harus ditambah
= 825 - 550
= 275 dm³
3) D = 2/2 = 1 = R
MAKA
V = πR²T
= 3,14(1)²(6)
= 3,14(1(1(6)
= 3,14(1(6)
= 3,14(6)
= 18,84 CM³
= 18,84(1.000)
= 18.840 DM³
4) V = πR²T
= 22/7(35)²(1(100)
= 22/7(35(35(100)
= 22/7(35(3.500)
= 22/7(122.500)
= 22(122.500/7)
= 22(17.500)
= 385.000 CM³
= 385.000/1.000
= 385 DM³ = 385 L
5) D = 1/2 = 0,5 = R
MAKA :
V = 2/3πR²T
= 2/3(22/7(5(5(1,05(10)
= 2/3(22/7(25(10,5)
= 2/3(22/7(262,5)
= 2/3(22(262,5/7)
= 2/3(22(37,5)
= 2/3(825)
= 2(825/3)
= 2(275)
= 550 DM³
TOTAL AIR :
= (825 - 550)DM³
= 275 DM³